<!-- <!DOCTYPE html> -->
<!-- <html>
  <head>
    <meta charset="UTF-8">
    <title>Bilibili视频播放器</title>
  </head>
  <body>
    <iframe src="https://player.bilibili.com/player.html?bvid=BV1tL4y1T7xn&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
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    <iframe src="https://player.bilibili.com/player.html?bvid=BV1tL4y1T7xn&page=4" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
    <iframe src="https://player.bilibili.com/player.html?bvid=BV13L411K7ex&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>  </body>
    </html> -->
    
<!-- <div style="display: flex; flex-wrap: wrap; justify-content: center;">
    <div style="margin: 10px; width: 300px;">
        <iframe src="https://player.bilibili.com/player.html?bvid=BV1tL4y1T7xn&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
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        <iframe src="https://player.bilibili.com/player.html?bvid=BV1tL4y1T7xn&page=3" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
    </div>
    <div style="margin: 10px; width: 300px;">
        <iframe src="https://player.bilibili.com/player.html?bvid=BV1tL4y1T7xn&page=4" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
    </div>
    <div style="margin: 10px; width: 300px;">
        <iframe src="https://player.bilibili.com/player.html?bvid=BV13L411K7ex&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>  </body>
    </div>
</div> -->

<!-- <html>
  <head>
    <meta charset="UTF-8">
    <title>显示五张图片</title>
    <style>
      table {
        border-collapse: collapse;
        width: 100%;
      }
      td {
        padding: 5px;
        text-align: center;
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      img {
        display: block;
        max-width: 60%;
        height: auto;
      }
    </style>
  </head>
  <body>
    <table>
      <tr>
        <td rowspan="2"> <img src="./img/Certificate_front.jpg"style="width:4000px;height:auto;"></td>
        <td><img src="./img/Certificate_back.jpg"style="width:4000px;height:auto;"></td>
        <td rowspan="2"> <img src="./img/Certificate_NorthChina.jpg"style="width:4000px;height:auto;"></td>
        <td rowspan="2"> <img src="./img/Certificate_NationalFinals.jpg"style="width:4000px;height:auto;"></td>
      </tr>
      <tr>
        <td><img src="./img/20EE_2nd_back.jpg"></td>
      </tr>
    </table>
  </body>
</html> -->
  

<div class="image-grid">
    <div class="image-item">
        <img src="./img/Certificate_front.jpg" alt="Image 1"style="width:230px;height:auto;">
    </div>
    <div class="image-item image-group">
        <img src="./img/Certificate_back.jpg" alt="Image 2">
        <img src="./img/20EE_2nd_back.jpg" alt="Image 3">
    </div>
    <div class="image-item">
        <img src="./img/Certificate_NationalFinals.jpg" alt="Image 4"style="width:230px;height:auto;">
    </div>
    <div class="image-item">
        <img src="./img/Certificate_NorthChina.jpg" alt="Image 5"style="width:230px;height:auto;">
    </div>
</div>
  
<style>
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      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
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    .image-item {
      width: calc(25% - 10px);
      margin-bottom: 20px;
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    .image-group {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
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</style>
  
